﻿/* Copyright (C) <2009-2011> <Thorben Linneweber, Jitter Physics>
* 
*  This software is provided 'as-is', without any express or implied
*  warranty.  In no event will the authors be held liable for any damages
*  arising from the use of this software.
*
*  Permission is granted to anyone to use this software for any purpose,
*  including commercial applications, and to alter it and redistribute it
*  freely, subject to the following restrictions:
*
*  1. The origin of this software must not be misrepresented; you must not
*      claim that you wrote the original software. If you use this software
*      in a product, an acknowledgment in the product documentation would be
*      appreciated but is not required.
*  2. Altered source versions must be plainly marked as such, and must not be
*      misrepresented as being the original software.
*  3. This notice may not be removed or altered from any source distribution. 
*/

using System.Collections.Generic;
using System.Collections;
using System;

namespace TrueSync.Physics3D {

    public class ReadOnlyHashset<T> : IEnumerable, IEnumerable<T> where T : IComparable
    {
		private HashList<T> hashset;

		public ReadOnlyHashset(HashList<T> hashset) { this.hashset = hashset; }

        public IEnumerator GetEnumerator()
        {
            return hashset.GetEnumerator();
        }

        IEnumerator<T> IEnumerable<T>.GetEnumerator()
        {
            return hashset.GetEnumerator();
        }

        public int Count { get { return hashset.Count; } }

        public bool Contains(T item) { return hashset.Contains(item); }

    }
}
